\(\text{Outcome} = \beta_0 + \beta_1 \times \text{Group}_{\text{B}}\)
Where
\(\text{Group}_{\text{B}} = 1\) when group==B
\(\text{Group}_{\text{B}} = 0\) when group==A
For every 1-unit increase in height, the outcome increase by \(\beta_1\) units.
\(\text{Outcome} = \beta_0 + \beta_1 \times \text{Height}\)